netdev - Re: [PATCH net-next] net/unix: support SCM

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Message-Id: <20150610.224934.759313464983844581.davem@davemloft.net>
Date:	Wed, 10 Jun 2015 22:49:34 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sds@...ho.nsa.gov
Cc:	netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
	paul@...l-moore.com
Subject: Re: [PATCH net-next] net/unix: support SCM_SECURITY for stream
 sockets

From: Stephen Smalley <sds@...ho.nsa.gov>
Date: Wed, 10 Jun 2015 08:44:59 -0400

> SCM_SECURITY was originally only implemented for datagram sockets,
> not for stream sockets.  However, SCM_CREDENTIALS is supported on
> Unix stream sockets.  For consistency, implement Unix stream support
> for SCM_SECURITY as well.  Also clean up the existing code and get
> rid of the superfluous UNIXSID macro.
> 
> Motivated by https://bugzilla.redhat.com/show_bug.cgi?id=1224211,
> where systemd was using SCM_CREDENTIALS and assumed wrongly that
> SCM_SECURITY was also supported on Unix stream sockets.
> 
> Signed-off-by: Stephen Smalley <sds@...ho.nsa.gov>
> Acked-by: Paul Moore <paul@...l-moore.com>

Applied, thank you.
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